Replacing SSLIdentity* with scoped_refptr<RTCCertificate> in TransportChannel layer

webrtc/p2p/base/transportchannelimpl.h

Index: webrtc/p2p/base/transportchannelimpl.h
diff --git a/webrtc/p2p/base/transportchannelimpl.h b/webrtc/p2p/base/transportchannelimpl.h
index 75d56aa09bfcc4a7a78bc79b9babf942229a41c0..2d660f70f254834bc0f081f86393d195057a623c 100644
--- a/webrtc/p2p/base/transportchannelimpl.h
+++ b/webrtc/p2p/base/transportchannelimpl.h
@@ -82,11 +82,8 @@ class TransportChannelImpl : public TransportChannel {
   virtual void OnCandidate(const Candidate& candidate) = 0;
 
   // DTLS methods
-  // Set DTLS local identity.  The identity object is not copied, but the caller
-  // retains ownership and must delete it after this TransportChannelImpl is
-  // destroyed.
-  // TODO(bemasc): Fix the ownership semantics of this method.
-  virtual bool SetLocalIdentity(rtc::SSLIdentity* identity) = 0;
+  virtual bool SetLocalCertificate(
+      const rtc::scoped_refptr<rtc::RTCCertificate>& certificate) = 0;
 
   // Set DTLS Remote fingerprint. Must be after local identity set.
   virtual bool SetRemoteFingerprint(const std::string& digest_alg,